ms vs solution structure for unit testing w dependency injection?

How would you structure the following MS VS solution and classes, in order to implement easily unit tests with dependency injection? How would your unit tests look like ?

ProjectWork

• 
  

  IDev.cs

  
  

  
  public interface IDev
  {
    IDev GetDev();
    IToMeasure Measure();
  }
  public interface IToMeasure
  {
    double Measure { get; set; }
  }
  
  



• 
  

  MyDevice.cs

  
  

  
  public class MyDevice: IDev
  {
     public void calculateMeasures(IToMeasure measuredObjs, MyDevice myDevice)
     {
     }
  }
  
  



• 
  

  myDeviceWPF.cs

  
  

  
  class myDeviceViewModel : INotifyPropertyChanged
  {
     ...
     myGausDevice.calculateMeasures(...);
  }
  
  

ProjectTest

• myDevice_Test.cs